QUIZ: Can We Guess Your Education Level?

Corey Moylan|Trending|16 Oct 2025

What does the O stand for in H2O?

0%
GettyImages-82248264
Retry Correct Incorrect The O in H2O stands for Oxygen. Yep, you know that resource that we would die without? It’s pretty important. We all know it, we all breathe it. Oxygen. Osmium is a metal.
Next
Cate Gillon/Getty Images
Cate Gillon/Getty Images

What does the O stand for in H2O?

  • Nitrogen
  • Oxygen
  • Osmium
  • 0-Zero
0%

Scroll down to continue on!